Write about pH scale
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Ph is a measure of how acidic or basic is an aqueous solution. ... The pH values range from 0 to 14. The values less than 7 represent an acidic solution, above 7 indicates a basic solution and 7 is neutral. The pH scale measures how acidic or basic a substance is, ranging from 0 to 14.
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The pH scale usually ranges from 0 to 14. Solutions with a pH less than 7 are acidic, while those with a pH greater than 7 are basic or alkaline. pH level of 7.0 is defined as "neutral".
Most indicators like litmus paper and pH papers are useful only to tell whether a substance is an acid or a base
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